GB294986A - Manufacture of acid wool dyestuffs - Google Patents

Manufacture of acid wool dyestuffs

Info

Publication number
GB294986A
GB294986A GB22298/28A GB2229828A GB294986A GB 294986 A GB294986 A GB 294986A GB 22298/28 A GB22298/28 A GB 22298/28A GB 2229828 A GB2229828 A GB 2229828A GB 294986 A GB294986 A GB 294986A
Authority
GB
United Kingdom
Prior art keywords
manufacture
amino
acid
wool dyestuffs
acid wool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22298/28A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB294986A publication Critical patent/GB294986A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • C09B1/34—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated
    • C09B1/343—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated only sulfonated in the anthracene nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

294,986. I. G. Farbenindustrie Akt.- Ges. Aug. 3, 1927, [Convention date]. Addition to 282,409. Anthraquinone dyes.-Acid wool dyestuffs are produced by condensing 1-amino-4-bromanthraquinone-2-sulphonic acid with 4-aminoformanilide having an alkyl group in the formylamino group. According to an example, 1-amino-4-bromanthraquione-2-sulphonic acid is condensed with 4- aminomethylformanilide, in the presence of water and copper sulphate at elevated temperature. The use of 4-aminoethylformanilide is also mentioned. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of 4- aminobenzylformanilide. This subject-matter does not appear in the Specification as accepted.
GB22298/28A 1927-08-03 1928-08-01 Manufacture of acid wool dyestuffs Expired GB294986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI31840D DE483231C (en) 1927-08-03 1927-08-03 Process for the preparation of acidic wool dyes

Publications (1)

Publication Number Publication Date
GB294986A true GB294986A (en) 1929-10-24

Family

ID=6088188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22298/28A Expired GB294986A (en) 1927-08-03 1928-08-01 Manufacture of acid wool dyestuffs

Country Status (3)

Country Link
DE (1) DE483231C (en)
FR (1) FR35633E (en)
GB (1) GB294986A (en)

Also Published As

Publication number Publication date
FR35633E (en) 1930-03-26
DE483231C (en) 1929-11-16

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